/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlets;

import entity.Administrador;
import entity.AdministradorFacade;
import entity.AdministradorFacadeLocal;
import entity.MaterialFacade;
import entity.MaterialFacadeLocal;
import entity.UsuarioFacade;
import entity.UsuarioFacadeLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Bryan Valencia
 */
public class Login extends HttpServlet {
    
    @EJB
    private AdministradorFacadeLocal admin = new AdministradorFacade();
    
    @EJB
    private UsuarioFacadeLocal usuarioFacade = new UsuarioFacade();
    
    @EJB
    private MaterialFacadeLocal materialFacade = new MaterialFacade();

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet Login</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet Login at " + request.getContextPath() + "</h1>");
            out.println("</body>");
            out.println("</html>");
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        HttpSession session = request.getSession();
        
        String ID = request.getParameter("adminID").toString();       
        String Password = request.getParameter("adminPassword").toString();        
        if(ID.isEmpty() || Password.isEmpty()){
            session.setAttribute("message", "Credenciales incorrectas!");
            request.getRequestDispatcher("faces/login.xhtml").forward(request, response);
        }else{
            try{        
                Administrador gerente = new Administrador();                
                gerente = admin.find(ID);                
                if(gerente != null){                
                    if(gerente.getPassword().equals(Password)){
                        session.setAttribute("Administrador",usuarioFacade.find(ID).getNombre());                    
                        session.setAttribute("message","");                        
                        //List<entity.Material> materiales = materialFacade.findAll();
                        //List<entity.Usuario> usuarios = usuarioFacade.findAll();
                        //session.setAttribute("materiales", materiales); 
                        //session.setAttribute("usuarios", usuarios);
                        String ruta = ((HttpServletRequest)request).getContextPath(); 
                        response.sendRedirect(ruta+"/faces/admin/index.xhtml");
                    }else{
                        session.setAttribute("message","Credenciales incorrectas!");                
                        request.getRequestDispatcher("faces/login.xhtml").forward(request, response);                        
                    }                    
                }else{                
                    session.setAttribute("message","Credenciales incorrectas!");                
                    request.getRequestDispatcher("faces/login.xhtml").forward(request, response);
                }
            }catch(Exception e){
                e.printStackTrace();
            }
        }
        
        //HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(true);  
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
